package num102;

/**
 * @author : DuJiabao
 * @Date : 2021/2/6 16:20
 * @Project : sword-finger-offer
 * @File : null.java
 * @Desc :
 */
public class TreeNode {
    int val;
    TreeNode left;
    TreeNode right;

    TreeNode() {
    }

    TreeNode(int val) {
        this.val = val;
    }

    TreeNode(int val, TreeNode left, TreeNode right) {
        this.val = val;
        this.left = left;
        this.right = right;
    }
}